All the hype about peptides But what are they actuallyand have they really been tested in humans for muscle building or tendon regeneration? We took a deep dive into the literature BPC 157: Miracle Healing Peptide or Hidden Danger? BPC 157: Hype or Helpful? After my post on Retatrutide did well, I'm continuing the peptide education series. Let's talk about BPC 157. It's a synthetic peptide derived from a protective protein found in BPC 157 vs. TB 500 Peptides for sale Polaris peptides